Add Label Studio adapter module and its build scipts.

runtime/label-studio-adapter/app/api/__init__.py

@@ -0,0 +1,19 @@
+"""
+API 路由模块
+
+集中管理所有API路由的组织结构
+"""
+from fastapi import APIRouter
+
+from .system import router as system_router
+from .project import project_router
+
+# 创建主API路由器
+api_router = APIRouter()
+
+# 注册到主路由器
+api_router.include_router(system_router, tags=["系统"])
+api_router.include_router(project_router, prefix="/project", tags=["项目"])
+
+# 导出路由器供 main.py 使用
+__all__ = ["api_router"]